ATSAMD21G18A-AF vs ATSAMD21J18A-CU Comparison
Detailed side-by-side comparison of ATSAMD21G18A-AF by Microchip Technology and ATSAMD21J18A-CU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAMD21G18A-AF - 48MHz Cortex-M0+ MCU 256KB Flash | Microchip
ATSAMD21G18A-AF β ActiveMicrochip Technology
ATSAMD21J18A-CU - 256KB Flash 48MHz Cortex-M0+ MCU | Microchip
ATSAMD21J18A-CU β ActiveSpecification Comparison
| Parameter | ATSAMD21G18A-AF | ATSAMD21J18A-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.49 | $2.52 |
| Core | ARM Cortex-M0+ (SAM D21) | ARM Cortex-M0+ (32-bit) |
| Core Architecture | 32-bit RISC, Thumb/Thumb-2 instruction set | β |
| Maximum CPU Clock | 48 MHz | β |
| Flash Memory | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V | β |
| Package | 48-pin TQFP (7x7 mm) | 64-ball UFBGA (CU), 5x5 mm |
| Mounting Type | Surface Mount | Surface Mount (BGA) |
| ADC | 12-bit, up to 350 ksps | 12-bit, up to 1 MSPS, up to 12 analog inputs |
| DAC | 10-bit, 350 ksps | 10-bit, 1 channel |
| USB | Full-speed USB 2.0 device with on-the-go (OTG) | USB 2.0 Full-Speed Device with on-chip PHY |
| SERCOM Channels | Up to 6 (configurable as I2C/SPI/UART) | 6 (configurable as UART/SPI/I2C) |
| Timers | Up to 5 x 16-bit Timer/Counters (TC) | β |
| DMA Channels | 12-channel DMAC | β |
| Event System | 12-channel inter-peripheral | β |
| Debug Interface | Two-pin Serial Wire Debug (SWD) | β |
| Operating Temperature | -40C to +85C | -40C to +85C (Industrial / GREEN) |
| RoHS Status | Compliant | Compliant (GREEN) |
| Maximum CPU Frequency | β | 48 MHz |
| CoreMark/MHz | β | 2.46 |
| Operating Voltage | β | 1.62 V to 3.6 V |
| Timers/Counters | β | Up to 8 TC channels (24-bit), 3 TCC channels (16-bit) |
| I/O Pins | β | Up to 52 GPIO (depending on package) |
| On-chip Oscillator | β | 48 MHz DFLL48M with PLL |
| MSL Level | β | 3 (per JEDEC J-STD-020) |